2478428239 has 8 divisors (see below), whose sum is σ = 2909043488. Its totient is φ = 2066951520.

The previous prime is 2478428233. The next prime is 2478428243. The reversal of 2478428239 is 9328248742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2478428239 - 2²³ = 2470039631 is a prime.

It is a super-2 number, since 2×2478428239² = 12285213071745282242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2478428192 and 2478428201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478428233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4784352 + ... + 4784869.

It is an arithmetic number, because the mean of its divisors is an integer number (363630436).

Almost surely, 2^2478428239 is an apocalyptic number.

2478428239 is a deficient number, since it is larger than the sum of its proper divisors (430615249).

2478428239 is an equidigital number, since it uses as much as digits as its factorization.

2478428239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9569265.

The product of its digits is 1548288, while the sum is 49.

The square root of 2478428239 is about 49783.8150305900. The cubic root of 2478428239 is about 1353.2938751401.

The spelling of 2478428239 in words is "two billion, four hundred seventy-eight million, four hundred twenty-eight thousand, two hundred thirty-nine".